Gadolinium-enhanced magnetic resonance angiography in brain death.

Abstract:

:Confirmatory tests for the diagnosis of brain death in addition to clinical findings may shorten observation time required in some countries and may add certainty to the diagnosis under specific circumstances. The practicability of Gadolinium-enhanced magnetic resonance angiography to confirm cerebral circulatory arrest was assessed after the diagnosis of brain death in 15 patients using a 1.5 Tesla MRI scanner. In all 15 patients extracranial blood flow distal to the external carotid arteries was undisturbed. In 14 patients no contrast medium was noted within intracerebral vessels above the proximal level of the intracerebral arteries. In one patient more distal segments of the anterior and middle cerebral arteries (A3 and M3) were filled with contrast medium. Gadolinium-enhanced MRA may be considered conclusive evidence of cerebral circulatory arrest, when major intracranial vessels fail to fill with contrast medium while extracranial vessels show normal blood flow.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Luchtmann M,Beuing O,Skalej M,Kohl J,Serowy S,Bernarding J,Firsching R

doi

10.1038/srep03659

subject

Has Abstract

pub_date

2014-01-13 00:00:00

pages

3659

issn

2045-2322

pii

srep03659

journal_volume

4

pub_type

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